diff --git a/codec-http2/src/main/java/io/netty/handler/codec/http2/Http2ClientUpgradeCodec.java b/codec-http2/src/main/java/io/netty/handler/codec/http2/Http2ClientUpgradeCodec.java
index 43c6d5dddc..6e5e55edd3 100644
--- a/codec-http2/src/main/java/io/netty/handler/codec/http2/Http2ClientUpgradeCodec.java
+++ b/codec-http2/src/main/java/io/netty/handler/codec/http2/Http2ClientUpgradeCodec.java
@@ -111,7 +111,6 @@ public class Http2ClientUpgradeCodec implements HttpClientUpgradeHandler.Upgrade
     }
 
     @Override
-
     public CharSequence protocol() {
         return HTTP_UPGRADE_PROTOCOL_NAME;
     }